Home / 5,571.76-7,688.98-3,053.86

Finding the Fourth Proportional to 5,571.76, 7,688.98 and 3,053.86

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Solution

The fourth proportional to 5,571.76, 7,688.98 and 3,053.86 is: 4,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.76 : 7,688.98 = 3,053.86 : x
  2. Step 2: Convert to fraction form
    5,571.76/7,688.98 = 3,053.86/x
  3. Step 3: Cross multiply
    5,571.76x = 7,688.98 × 3,053.86
  4. Step 4: Simplify right side
    5,571.76x = 23,481,096.66
  5. Step 5: Solve for x
    x = 23,481,096.66/5,571.76
  6. Step 6: Final answer
    x = 4,214.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.